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You searched for: mediatype:texts AND collection:NISTTechNotes AND subject:"Radio."
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[texts]Efficient use of the radio spectrum (Volume NBS Technical Note 158) - Norton, Kenneth Alva, 1907-

Keywords: Radio
Downloads: 57
[texts]Curves of ground proximity loss for dipole antennas (Volume NBS Technical Note 175) - Vogler, Lewis E.; Noble, J.L.

Keywords: Radio--Antennas; Radio waves
Downloads: 105
[texts]Computations of the antenna cut-back factor for LF radio waves. (Volume NBS Technical Note 330) - Hyovalti, D. C.

Keywords: Radio waves; Radio--Antennas
Downloads: 49
[texts]Techniques for computing refraction of radio waves in the troposphere (Volume NBS Technical Note 97) - Dutton, E.J.; Thayer,G.D.

Keywords: Radio meteorology; Atmospheric radio refractivity; Radio waves
Downloads: 93
[texts]Fading correlation bandwidth and short-term frequency stability measurements on a high-frequency transauroral path (Volume NBS Technical Note 165) - Auterman, James L.
The report describes fading correlation bandwidth and short-term frequency stability measurements on a highfrequency transauroral path.(Author)
Keywords: Shortwave radio
Downloads: 98
[texts]Calculations of the field near the apex of a wedge surface (Volume NBS Technical Note 204) - Wait, James R.; Jackson, Carolen M.
Using the exact series solution for diffraction by a perfectly conducting wedge, numerical results are presented for the structure of the field in the apex region. This provides insight to the nature of electomagnetic fields near a surface discontinuity.
Keywords: Radio waves
Downloads: 50
[texts]The normal phase variations of the 18 KC/S signals from NBA observed at Boulder, Colorado, U.S.A. (Volume NBS Technical Note 206-3) - Brady, A. H.; Murphy, A.C.; Crombie, D.D.

Keywords: Radio waves
Downloads: 38
[texts]Tables to facilitate the determination of the ferrimagnetic resonance linewidth of nonmetallic magnetic materials (Volume NBS Technical Note 173) - Preston, Constance C.; Case, William E.
A common test procedure for measuring ferrimagnetic resonance linewidth, Delta H, and gyromagnetic ratio, gamma, of microwave ferrites is based upon a perturbation analysis of the complex frequency shift obtained when a small sample is placed in a resonan
Keywords: Radio--Tables
Downloads: 78
[texts]Zonal harmonics in low frequency terrestrial radio wave propagation. (Volume NBS Technical Note 335) - Johler, J. Ralph

Keywords: Radio waves
Downloads: 65
[texts]Numerical results for the surface impedance of a stratified conductor (Volume NBS Technical Note 143) - Jackson, Carolen M.; Wait, J.R.; Walters, L.C.

Keywords: Radio waves
Downloads: 86
[texts]A note on antipodal focussing (Volume NBS Technical Note 182) - Wait, James R.
There has been some interest shown recently in the practical significance of the antipodal focussing in VLF propagation. If the earth and the ionosphere were perfectly concentric spherical surfaces, theory indicates that the amplitude of the field should
Keywords: Radio waves
Downloads: 69
[texts]The normal phase variations of the 18 kc/s signals from NBA observed in Frankfurt, Germany (Volume NBS Technical Note 206-1) - Brady, A. H.; Murphy, A.C.; Crombie, D.D.

Keywords: Radio waves
Downloads: 92
[texts]The normal phase variations of the 16 kc/s signals from GBR observed at College, Alaska (Volume NBS Technical Note 206-5) - Crary, J. H. (James Herbert); Murphy, A.C.

Keywords: Radio waves
Downloads: 47
[texts]A numerical representation of CCIR report 322 high frequency (3-30 MC/S) atmospheric radio noise data. (Volume NBS Technical Note 318) - Lucas, Donald L.; Harper, John D.
Geographic and frequency dependent distributions of atmospheric noise *power enumerated in CCIR Report 322 (1964) are approximated by series expansions for use in electronic computers.Coefficients of Fourier series representation of worldwide geographic d
Keywords: Radio noise
Downloads: 126
[texts]On the climatology of ground-based radio ducts and associated fading regions (Volume NBS Technical Note 96) - Dutton, E. J.

Keywords: Radio meteorology; Climatology; Radio waves
Downloads: 38
[texts]A Preliminary analysis of amplitude scintillations of radio stars observed at Boulder, Colorado (Volume NBS Technical Note 20) - Lawrence, Robert Standish, 1925-

Keywords: Radio astronomy; Radio sources (Astronomy)
Downloads: 93
[texts]VHF radio propagation data for the Cedar Rapids - Sterling, Anchorage - Barrow, and Fargo - Churchill test paths : April 1951 through June 1958 (Volume NBS Technical Note 79) - Sugar, George R.; Sullivan; Kenneth W.

Keywords: Shortwave radio; Radio wave propagation
Downloads: 67
[texts]A technique for extrapolating the 1 kc values of secondary capacitance standards to higher frequencies (Volume NBS Technical Note 201) - Jones, Raymond Nelson, 1928-
A simple technique is described for extrapolating the 1 kc values of certain two-terminal capacitors to higher frequencies without incurring serious losses in accuracy.The method is intended for use with air capacitors having binding post or banana plug t
Keywords: Shortwave radio; Radio measurements; Calibration
Downloads: 36
[texts]Characteristics of point-to-point tropospheric propagation and siting considerations (Volume NBS Technical Note 95) - Kirby, R. S.; Rice, P. L.; Maloney, L. J.

Keywords: Tropospheric radio wave propagation; Radio meteorology; Radio waves
Downloads: 63
[texts]Numerical values of the path integrals for low and very low frequencies. (Volume NBS Technical Note 319) - Berry, L. A. (Leslie A.); Chrisman, Mary E.
Numerical values of the path integrals for the first five hops are given as a function of distance from 1000 km to 8000 km, for frequencies of 10, 20, 30, 60, 100, 150, and 200 kHz., for sea paths, and for land paths with conductivities of 0 * .01 and 0.0
Keywords: Radio measurements; Geometrical optics; Radio frequency
Downloads: 42
[texts]Technical considerations leading to an optimum allocation of radio frequencies in the band 25 to 60 Mc. (Volume NBS Technical Note 13) - Norton, Kenneth Alva, 1907-

Keywords: Radio--Transmitters and transmission; Radio frequency allocation
Downloads: 61
[texts]Field strength calculations for E.L.F. radio waves (Volume NBS Technical Note 52) - Wait, James R.; Carter, Nancy F.

Keywords: Radio, Extremely low frequency; Radio waves
Downloads: 97
[texts]The normal phase variations of the 18 kc/s signals from NBA observed at Maui, Hawaii (Volume NBS Technical Note 206-2) - Brady, A. H.; Murphy, A.C.; Crombie, D.D.

Keywords: Radio waves; Radio--Receivers and reception
Downloads: 67
[texts]A survey and bibliography of recent research in the propagation of VLF radio waves (Volume NBS Technical Note 58) - Wait, James R.

Keywords: Radio wave propagation--Bibliography; Radio wave propagation
Downloads: 76
[texts]A 100 KW 2-25 Mc/s distributed amplifier, designed for use with 10 KW ionospheric sounders (Volume NBS Technical Note 331) - Harding, W. B.; Woodward, M. W.; Carroll, J. C.

Keywords: Ionospheric radio wave propagation; Radio meteorology
Downloads: 62
[texts]Prediction of the cumulative distribution with time of ground wave and tropospheric wave transmission loss / by P.L. Rice, A.G. Longley and K.A. Norton. (Volume NBS Technical Note 15) - Rice, P. L. (Patricia L.)

Keywords: Radio waves; Radio--Transmitters and transmission
Downloads: 115
[texts]Calculated diffraction effects at VLF from a localized ionospheric depression (Volume NBS Technical Note 208) - Wait, James R.

Keywords: Ionospheric radio wave propagation; Radio waves--Scattering
Downloads: 90
[texts]The normal phase variations of the 18 kc/s signals from NBA observed at College, Alaska. (Volume NBS Technical Note 206-4) - Crary, J. H. (James Herbert); Murphy, A.C.

Keywords: Radio waves; Radio--Receivers and reception
Downloads: 95
[texts]Historical survey of fading at medium and high radio frequencies (Volume NBS Technical Note 133) - Salaman, Roger K.

Keywords: Radio frequency; Radio--Transmitters and transmission--Fading
Downloads: 38
[texts]Amplitude and phase of the low- and very low-radiofrequency ground wave (Volume NBS Technical Note 60) - Johler, J. Ralph; Walters, L.C.; Lilley, C.M.

Keywords: VLF radio wave propagation; Radio wave propagation
Downloads: 102
[texts]Frequency dependence of VHF ionospheric scattering. (Volume NBS Technical Note 9) - Blair, James C.

Keywords: Ionospheric radio wave propagation; Radio waves--Scattering
Downloads: 61
[texts]Transmission loss in radio propagation / II. (Volume NBS Technical Note 12) - Norton, Kenneth Alva, 1907-

Keywords: Radio waves; Radio--Transmitters and transmission
Downloads: 123
[texts]A survey of the techniques for measuring the radio refractive index (Volume NBS Technical Note 99) - McGavin, R. E.
The radio refractive index can be measured either directly or indirectly. The former method is utilized by radio frequency refractometers; the latter method involves measurement of temperature, pressure and humidity and conversion to refractive index. I
Keywords: Radio meteorology; Refractive index--Measurement; Radio waves
Downloads: 100
[texts]An error analysis for the use of presently available lunar radio flux data in broadbeam antenna-system measurements (Volume NBS Technical Note 1073) - Daywitt, William C.

Keywords: Radio astronomy; Antennas (Electronics)
Downloads: 12
[texts]Proceedings of the 1960 Conference on the Propagation of E.L.F. Radio Waves (Volume NBS Technical Note 61)

Keywords: Radio wave propagation
Downloads: 87
[texts]NBS frequency-time broadcast station WWV, Fort Collins, CO (Volume NBS Technical Note 611) - Viezbicke, Peter P.

Keywords: Radio--Transmitters and transmission
Downloads: 34
[texts]On the effect of heavy ions on LF propagation, with special reference to a nuclear environment (Volume NBS Technical Note 313) - Johler, J. Ralph; Berry, Leslie A.

Keywords: Ionospheric radio wave propagation
Downloads: 175
[texts]Tables for the statistical predication of radio ray bending and elevation angle error using surface values of the refractive index (Volume NBS Technical Note 44) - Bean, B. R. (Bradford R.), 1927-; Cahoon, B.A.; Thayer, G.D.

Keywords: Radio meteorology; Refractive index
Downloads: 48
[texts]The error rates in multiple FSK systems and the signal-to-noise characteristics of FM and PCM-FS systems (Volume NBS Technical Note 167) - Akima, H. (Hiroshi)

Keywords: Radio frequency modulation
Downloads: 61
[texts]VHF ionospheric scatter system loss measurements European-Mediterranean area (Volume NBS Technical Note 230) - Goerke, V. H.; Remmler, O.D.
The results of VHF ionospheric scatter measurements made in the European-Mediterranean area are shown to be in good agreement with results obtained in continental United States.Sporadic-E propagation was observed much more frequently in the EuropeanMedite
Keywords: Ionospheric radio wave propagation
Downloads: 59
[texts]Bibliography of tropospheric radio wave scattering (Volume NBS Technical Note 80) - Abbott, Richard L.

Keywords: Radio waves--Scattering--Bibliography
Downloads: 35
[texts]Quarterly radio noise data - December, January, February, 1961-62 (Volume NBS Technical Note 18-13) - Crichlow, W.Q. ; Disney, R.T.; Jenkins, M.A.

Keywords: Radio noise--Tables
Downloads: 37
[texts]Quarterly radio noise data - September, October, November 1960 (Volume NBS Technical Note 18-8) - Crichlow, W.Q. ; Disney, R.T.; Jenkins, M.A.

Keywords: Radio noise--Tables
Downloads: 52
[texts]Quarterly radio noise data - March, April, May 1960 (Volume NBS Technical Note 18-6) - Crichlow, W.Q. ; Disney, R.T.; Jenkins, M.A.

Keywords: Radio noise--Tables
Downloads: 58
[texts]An analysis of propagation measurements made at 418 Mc, well beyond the radio horizon, by H.B. Janes, J.C. Stroud, and M.T. Decker. (Volume NBS Technical Note 6) - Janes, H. B.

Keywords: Radio--Transmitters and transmission
Downloads: 75
[texts]Quarterly radio noise data - December, January, February 1959-60 (Volume NBS Technical Note 18-5) - Crichlow, W.Q. ; Disney, R.T.; Jenkins, M.A.

Keywords: Radio noise--Tables
Downloads: 29
[texts]Loading factors and FDM-FM system performance calculations (Volume NBS Technical Note 100-A) - Florman, E. F.
The supplement was written for the purpose of extending the scope of the original paper, by providing a more complete set of system-performance design equations, which apply to the Frequency Di * vision Multiplex--Frequency Modulation type of multichannel
Keywords: Radio--Receivers and reception
Downloads: 36
[texts]Quarterly radio noise data - December, January, February 1960-1961 (Volume NBS Technical Note 18-9) - Crichlow, W.Q. ; Disney, R.T.; Jenkins, M.A.

Keywords: Radio noise--Tables
Downloads: 61
[texts]Synoptic radio meteorology (Volume NBS Technical Note 98) - Bean, B. R. (Bradford R.), 1927-; Horn, J.D.; Riggs, L.P.
A survey of some of the advances in the field of synoptic radio meteorology is presented.The development of representative refractive index profiles for major air mass types is reviewed. Included is a description of several refractive index parameters cur
Keywords: Radio meteorology; Synoptic meteorology
Downloads: 59
[texts]Performance predictions for single tropospheric communication links and for several links in tandem (Volume NBS Technical Note 102) - Barsis, A. P.; Norton, K.A.; Rice, P.L.; Elder, P.H.

Keywords: Radio waves; Telecommunication
Downloads: 37
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